PixLab Annotate

Plans and prices

Every plan, in full

On the record

Account requirement

The tool says no account is required to load images, create labels, or export annotation data.pixlab.io · read 9 Oct 2026

Annotation tools

The tool provides rectangle and polygon labeling, plus zoom, drag, full-screen display, snapshots, and an eraser.pixlab.io · read 9 Oct 2026

Batch labeling

You can select multiple images from a device folder and move through them sequentially in the browser.pixlab.io · read 9 Oct 2026

Export

The tool exports structured JSON with annotation coordinates, rectangle geometry, and label metadata for adaptation to a machine learning pipeline.pixlab.io · read 9 Oct 2026

Labels and history

You can create and manage labels with names and colors, review annotation history, and undo or redo changes.pixlab.io · read 9 Oct 2026

Local processing

PixLab says source images are processed in the browser and are not transferred to PixLab servers.pixlab.io · read 9 Oct 2026

Maker

PixLab identifies Symisc Systems, SUARL as its maker and says its SaaS business began with PixLab in 2017.symisc.net · read 9 Oct 2026

Purpose

PixLab Annotate is a browser-based image labeler for creating bounding boxes and polygon segmentation labels for machine learning datasets.pixlab.io · read 9 Oct 2026

Saved work

Annotation state is stored in browser storage and can be resumed in the same browser on the same device; clearing that storage removes the saved state.pixlab.io · read 9 Oct 2026

Support

The app page says feature and support requests can be made through the PixLab GitHub repository.annotate.pixlab.io · read 9 Oct 2026

Supported use cases

The maker describes the tool as useful for developers, researchers, ML engineers, dataset preparation, small teams, QA review, and classroom training.pixlab.io · read 9 Oct 2026

Alternatives to PixLab Annotate

R RoboflowAndroidiPhone & iPad+5 LS Label StudioWebWindows+4 VI VGG Image AnnotatorWebWindows+3 MA MakeSense.aiWebWindows+3 C CVATWebAPI+1 L LabelmeWindowsMac+1 S SuperviselyWebAPI+1 DA Draw AttentionWebSelf-hosted

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